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POError when extracting text
 

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  1. POError when extracting text
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    <p>Unable to cast object of type 'iTextSharp.text.pdf.PdfLiteral' to type 'iTextSharp.text.pdf.PdfNumber'.</p> <p>CODE:</p> <pre><code>StringBuilder text = new StringBuilder(); SimpleTextExtractionStrategy strategy = new SimpleTextExtractionStrategy(); for (int p = 1; p &lt;= reader.NumberOfPages; p++) { text.AppendLine(PdfTextExtractor.GetTextFromPage(reader, p, strategy)); } reader.Close(); return text.ToString(); </code></pre> <p>Only get this error with a very few pdfs. Any ideas?</p> <p>STACK TRACE:</p> <pre><code> at iTextSharp.text.pdf.parser.PdfContentStreamProcessor.ShowTextArray.Invoke(PdfContentStreamProcessor processor, PdfLiteral oper, List`1 operands) at iTextSharp.text.pdf.parser.PdfContentStreamProcessor.InvokeOperator(PdfLiteral oper, List`1 operands) at iTextSharp.text.pdf.parser.PdfContentStreamProcessor.ProcessContent(Byte[] contentBytes, PdfDictionary resources) at iTextSharp.text.pdf.parser.PdfReaderContentParser.ProcessContent[E](Int32 pageNumber, E renderListener) at iTextSharp.text.pdf.parser.PdfTextExtractor.GetTextFromPage(PdfReader reader, Int32 pageNumber, ITextExtractionStrategy strategy) at DCS.Common.PDF.Functions.GetTextPdf(PdfReader reader) in C:\Users\rmaldonado\Documents\Visual Studio 2008\Projects\DCS\Contract\Common\PDF\Functions.cs:line 35 at DCS.Common.PDF.Functions.ParsePDF(Byte[] bytes) in C:\Users\rmaldonado\Documents\Visual Studio 2008\Projects\DCS\Contract\Common\PDF\Functions.cs:line 23 at DCS.CAPPS.BLL.Common.Attachment.ReParseText() in C:\Users\rmaldonado\Documents\Visual Studio 2008\Projects\DCS\Contract\ContractBLL\Common\Common.cs:line 1120 </code></pre>
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    1. This table or related slice is empty.
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    1. This table or related slice is empty.
    1. This table or related slice is empty.
    1. This table or related slice is empty.
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    1. COPlease provide samples of those pdfs or at least the stack trace of those exceptions. It might be am error in iText or in the pdfs.
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    2. COI added stack trace in the OP
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    3. CO[PDF](https://docs.google.com/file/d/0B4cQ-iOkdWKvM1RtaEJ3YjFrYkU/edit?usp=sharing)
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